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1,133
RESULTS

Media Type
1,133
texts
Availability
1,133
Always Available
Topics & Subjects
474
Mines and mineral resources
191
Mining engineering
112
Engineering
78
Public health
52
Astrophysics
52
Spectrum analysis
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Collection
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Creator
474
united states. bureau of mines
102
university of illinois (urbana-champaign campus) engineering experiment station
88
united states. public health service
52
american astronomical society
26
university of oxford. observatory
25
united states. dept. of agriculture
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Language
1,116
English
6
German
5
Swedish
1
French
1
Latin
1
Ottoman Turkish
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